4.Our Services1. Installation and training of corrugated roof sheet making machine:a.If buyers visit our factory and check the machine, we will teach you how to install and use the machine, and also train your workers/technician face to face.b.Without visiting, we will send you user manual and video to teach you to install and operate.c.If buyer needs our technician to go to your local factory, please arrange board and lodging and other necessary things.2. After Service of corrugated roof sheet making machinea.One year guarantee for whole corrugated roof sheet making machine.b.24 hours technical support by email or callingc.If there is any problem found of the corrugated roof sheet making machine, we will repair it for free in one year.